// /**
//  * Copyright © 2016 Magento. All rights reserved.
//  * See COPYING.txt for license details.
//  */

//
//  Menu
//  _____________________________________________

//
//  Variables
//  ---------------------------------------------

@menu-wrapper__z-index: @menu__z-index - 1;

@menu__background-color: @color-very-dark-grayish-orange;

@menu-logo__padding-bottom: 2.2rem;
@menu-logo__outer-size: @menu-logo__padding-top + @menu-logo-img__height + @menu-logo__padding-bottom;
@menu-logo__padding-top: 1.2rem;
@menu-logo-img__height: 4.1rem;
@menu-logo-img__width: 3.5rem;

@menu-item__color: @color-gray65-lighten;
@menu-item__font-size: 1rem;
@menu-item__hover__background-color: @color-brownie-almost;
@menu-item__active__background-color: darken(@menu-item__hover__background-color, 3%);
@menu-item__active__color: @color-ivory;
@menu-item-icon__height: 2.2rem;

@menu-line-before__background-color: @color-brownie-vanilla;
@menu-line-before__height: 1px;

@menu-overlay__z-index: @menu__z-index - 3;

@submenu__background-color: @menu-item__active__background-color;
@submenu__padding-horizontal: 1.5rem;
@submenu__padding-vertical: 2rem;
@submenu__z-index: @menu__z-index - 2;
@submenu-column__width: 23.8rem;
@submenu-column__width__l: 19.8rem;
@submenu-title__color: @color-white;
@submenu-link__color: @color-very-light-gray;
@submenu-link__padding-vertical: 1.25rem;
@submenu-link__active__background-color: darken(@submenu-link__focus__background-color, 5%);
@submenu-link__focus__background-color: @color-black4-almost;
@submenu-section-label__color: @color-gray65-almost;
@submenu-heading-group__indent-bottom: 3.8rem;
@submenu-action-close__indent-right: 2.8rem;

//
//  Utilities
//  ---------------------------------------------

.admin__menu-link() {
    color: @menu-item__color;
    display: block;
    font-size: @menu-item__font-size;
    letter-spacing: .025em;
    min-height: 6.2rem;
    padding: 1.2rem .5rem .5rem;
    position: relative;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    transition: background-color .1s linear;
    word-wrap: break-word;
    z-index: @menu__z-index;

    &:focus {
        box-shadow: none;
    }

    &:before {
        &:extend(.abs-icon all);
        content: @icon-menu-item__content;
        display: block;
        font-size: 2.2rem;
        height: @menu-item-icon__height;
        margin-bottom: .3rem;
    }
}

//
//  Menu wrapper
//  ---------------------------------------------

.menu-wrapper {
    display: inline-block;
    position: relative;
    width: @menu__width;
    z-index: @menu__z-index;

    &:before {
        background-color: @menu__background-color;
        bottom: 0;
        content: '';
        left: 0;
        position: fixed;
        top: 0;
        width: @menu__width;
        z-index: @menu-wrapper__z-index;
    }

    &._fixed {
        left: 0;
        position: fixed;
        top: 0;

        ~ .page-wrapper {
            margin-left: @menu__width;
        }
    }

    .logo {
        display: block;
        height: @menu-logo-img__height + @menu-logo__padding-top + @menu-logo__padding-bottom;
        padding: @menu-logo__padding-top 0 @menu-logo__padding-bottom;
        position: relative;
        text-align: center;
        z-index: @menu__z-index;

        ._keyfocus & {
            &:focus {
                background-color: @menu-item__active__background-color;
                box-shadow: none;

                + .admin__menu {
                    .level-0 {
                        &:first-child {
                            > a {
                                background-color: @menu__background-color;

                                &:after {
                                    display: none;
                                }
                            }
                        }
                    }
                }
            }
        }

        &:hover {
            .logo-img {
                -webkit-filter: brightness(1.1);
                filter: brightness(1.1);
            }
        }

        &:active {
            .logo-img {
                transform: scale(.95);
            }
        }

        .logo-img {
            height: @menu-logo-img__height;
            transition: -webkit-filter .2s linear,
            filter .2s linear,
            transform .1s linear;
            width: @menu-logo-img__width;
        }
    }
}

//
//  First menu level
//  ---------------------------------------------

.abs-menu-separator {
    @_menu-separator__width: 68%;

    background-color: @menu-line-before__background-color;
    content: '';
    display: block;
    height: @menu-line-before__height;
    left: 0;
    margin-left: (100% - @_menu-separator__width) / 2;
    position: absolute;
    top: 0;
    width: @_menu-separator__width;
}

.admin__menu {
    li {
        display: block;
    }

    .level-0 {
        &:first-child {
            > a {
                position: relative;

                //  Separator between logo and menu
                &:after {
                    &:extend(.abs-menu-separator);
                }
            }

            &._active {
                > a {
                    &:after {
                        display: none;
                    }
                }
            }
        }

        //  Hover & active state for menu level 0 item
        &._active,
        &:hover {
            > a {
                color: @menu-item__active__color;
            }
        }

        &._active {
            > a {
                background-color: @menu-item__hover__background-color;
            }
        }

        &:hover {
            > a {
                background-color: @menu-item__active__background-color;
            }
        }

        > a {
            .admin__menu-link();
        }
    }

    //
    //  Second menu level
    //  ---------------------------------------------

    .level-0 {
        > .submenu {
            background-color: @submenu__background-color;
            box-shadow: 0 0 3px @color-black;
            left: 100%; // align all submenus with one Y axis line
            min-height: ~'calc(@{menu-logo__outer-size} + 2rem + 100%)';
            padding: @submenu__padding-vertical 0 0;
            position: absolute;
            top: 0;
            transform: translateX(-100%);
            transition-duration: .3s;
            transition-property: transform, visibility;
            transition-timing-function: ease-in-out;
            visibility: hidden;
            z-index: @submenu__z-index - 1;
            
            .ie10 &,
            .ie11 & {
                height: 100%;
            }
        }

        &._show {
            > .submenu {
                transform: translateX(0);
                visibility: visible;
                z-index: @submenu__z-index;
            }
        }
    }

    .level-1 {
        margin-left: @submenu__padding-horizontal;
        margin-right: @submenu__padding-horizontal;
    }

    [class*='level-'] {
        &:not(.level-0) {
            a {
                display: block;
                padding: @submenu-link__padding-vertical @submenu__padding-horizontal;

                &:hover {
                    background-color: @submenu-link__focus__background-color;
                }

                &:active {
                    background-color: @submenu-link__active__background-color;
                    padding-bottom: @submenu-link__padding-vertical - .1rem;
                    padding-top: @submenu-link__padding-vertical + .1rem;
                }
            }
        }
    }

    .submenu {
        li {
            min-width: @submenu-column__width;
        }

        a {
            color: @submenu-link__color;
            transition: background-color .1s linear;

            &:hover,
            &:focus {
                box-shadow: none;
                text-decoration: none;
            }

            ._keyfocus & {
                &:focus {
                    background-color: @submenu-link__focus__background-color;
                }

                &:active {
                    background-color: @submenu-link__active__background-color;
                }
            }
        }

        .parent {
            margin-bottom: 4.5rem;

            //  Section title
            .submenu-group-title {
                color: @submenu-section-label__color;
                display: block;
                font-size: 1.6rem;
                font-weight: @font-weight__semibold;
                margin-bottom: .7rem;
                padding: 1.25rem @submenu__padding-horizontal;
                pointer-events: none;
            }
        }

        .column {
            display: table-cell;
        }
    }

    .submenu-title {
        color: @submenu-title__color;
        display: block;
        font-size: 2.2rem;
        font-weight: @font-weight__semibold;
        margin-bottom: .4rem + @submenu-heading-group__indent-bottom;
        margin-left: @submenu__padding-horizontal * 2;
        margin-right: @submenu__padding-horizontal * 2 + @submenu-action-close__indent-right;
    }

    .submenu-sub-title {
        color: @submenu-title__color;
        display: block;
        font-size: @font-size__s;
        margin: -(@submenu-heading-group__indent-bottom) @submenu__padding-horizontal * 2 + @submenu-action-close__indent-right 3.8rem @submenu__padding-horizontal * 2;
    }

    .action-close {
        padding: 2.4rem @submenu-action-close__indent-right;
        position: absolute;
        right: 0;
        top: 0;

        &:before {
            color: @submenu-section-label__color;
            font-size: 1.7rem;
        }

        &:hover {
            &:before {
                color: @color-white;
            }
        }
    }

    //
    //  Menu icons
    //  ---------------------------------------------

    .item-dashboard {
        > a {
            &:before {
                @_menu-item-dashboard__size: 1.8rem;

                content: @icon-dashboard__content;
                font-size: @_menu-item-dashboard__size;
                padding-top: @menu-item-icon__height - @_menu-item-dashboard__size;
            }
        }
    }

    .item-sales {
        > a {
            &:before {
                content: @icon-sales__content;
            }
        }
    }

    .item-catalog {
        > a {
            &:before {
                content: @icon-product__content;
            }
        }
    }

    .item-customer {
        > a {
            &:before {
                @_menu-item-dashboard__size: 2.6rem;

                content: @icon-customers__content;
                font-size: @_menu-item-dashboard__size;
                position: relative;
                top: @menu-item-icon__height - @_menu-item-dashboard__size;
            }
        }
    }

    .item-marketing {
        > a {
            &:before {
                @_menu-item-dashboard__size: 2rem;

                content: @icon-promotions__content;
                font-size: @_menu-item-dashboard__size;
                padding-top: @menu-item-icon__height - @_menu-item-dashboard__size;
            }
        }
    }

    .item-content {
        > a {
            &:before {
                @_menu-item-dashboard__size: 2.4rem;

                content: @icon-cms__content;
                font-size: @_menu-item-dashboard__size;
                position: relative;
                top: @menu-item-icon__height - @_menu-item-dashboard__size;
            }
        }
    }

    .item-report {
        > a {
            &:before {
                content: @icon-reports__content;
            }
        }
    }

    .item-stores {
        > a {
            &:before {
                @_menu-item-dashboard__size: 1.9rem;

                content: @icon-stores__content;
                font-size: @_menu-item-dashboard__size;
                padding-top: @menu-item-icon__height - @_menu-item-dashboard__size;
            }
        }
    }

    .item-system {
        > a {
            &:before {
                content: @icon-systems__content;
            }
        }

        &._current {
            + .item-partners {
                > a {
                    &:after {
                        display: none;
                    }
                }
            }
        }
    }

    .item-partners {
        &._active {
            > a {
                &:after {
                    display: none;
                }
            }
        }

        > a {
            padding-bottom: 1rem;

            &:before {
                content: @icon-lego__content;
            }

            &:after {
                &:extend(.abs-menu-separator);
            }
        }
    }

    //  This part hides Submenu Group Titles only for menus with single groups.
    .submenu .column:only-of-type .submenu-group-title,
    .level-0 > .submenu > ul > .level-1:only-of-type > .submenu-group-title {
        display: none;
    }
}

.admin__menu-overlay {
    bottom: 0;
    left: 0;
    position: fixed;
    right: 0;
    top: 0;
    z-index: @menu-overlay__z-index;
}

//
//  Tablets
//  _____________________________________________

.media-width(@extremum, @break) when (@extremum = 'max') and (@break = @screen__l) {
    .admin__menu {
        .submenu {
            li {
                min-width: @submenu-column__width__l;
            }
        }
    }
}

